\section{Exercises}

Try to reverse engineer of any binary files of your favorite game, including high-score files, resources, etc.

There are also binary files with known structure: utmp/wtmp files, try to understand its structure without documentation.

The EXIF header in JPEG file is documented, but you can try to understand its structure without help, just shoot photos
at various date/time, places, and try to find date/time and GPS location in EXIF.
Try to patch GPS location, upload JPEG file to Facebook and see, how it will put your picture on the map.

Try to patch any information in MP3 file and see how your favorite MP3-player will react.
